Re: [PATCH -next] memblock: unify memblock dump and debugfs show

From: kernel test robot
Date: Fri May 26 2023 - 07:09:35 EST


Hi Kefeng,

kernel test robot noticed the following build errors:

[auto build test ERROR on next-20230525]

url: https://github.com/intel-lab-lkp/linux/commits/Kefeng-Wang/memblock-unify-memblock-dump-and-debugfs-show/20230525-194341
base: next-20230525
patch link: https://lore.kernel.org/r/20230525115856.124507-1-wangkefeng.wang%40huawei.com
patch subject: [PATCH -next] memblock: unify memblock dump and debugfs show
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20230526/202305261822.ZFRYZVQk-lkp@xxxxxxxxx/config)
compiler: arceb-elf-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
mkdir -p ~/bin
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# https://github.com/intel-lab-lkp/linux/commit/08ce8490dec830c059127709a3a692ac7368287e
git remote add linux-review https://github.com/intel-lab-lkp/linux
git fetch --no-tags linux-review Kefeng-Wang/memblock-unify-memblock-dump-and-debugfs-show/20230525-194341
git checkout 08ce8490dec830c059127709a3a692ac7368287e
# save the config file
mkdir build_dir && cp config build_dir/.config
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=arc olddefconfig
COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 ~/bin/make.cross W=1 O=build_dir ARCH=arc SHELL=/bin/bash

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202305261822.ZFRYZVQk-lkp@xxxxxxxxx/

All errors (new ones prefixed by >>):

mm/memblock.c: In function 'memblock_dump.constprop':
>> mm/memblock.c:1910:27: error: 'flagname' causes a section type conflict with 'memblock_debug'
1910 | static const char * const flagname[] __initdata_memblock = {
| ^~~~~~~~
mm/memblock.c:158:12: note: 'memblock_debug' was declared here
158 | static int memblock_debug __initdata_memblock;
| ^~~~~~~~~~~~~~


vim +1910 mm/memblock.c

1909
> 1910 static const char * const flagname[] __initdata_memblock = {
1911 [ilog2(MEMBLOCK_HOTPLUG)] = "HOTPLUG",
1912 [ilog2(MEMBLOCK_MIRROR)] = "MIRROR",
1913 [ilog2(MEMBLOCK_NOMAP)] = "NOMAP",
1914 [ilog2(MEMBLOCK_DRIVER_MANAGED)] = "DRV_MNG",
1915 [ilog2(MEMBLOCK_MAX_UNKNOWN)] = "UNKNOWN",
1916 };
1917

--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki